NARA · 1949

USAF Project Sign Box 7 — Incidents 173-233

NARA RG 38 / Box 7, Incident Summary Sheets 173-233 — final volume of the Project Sign / Project Grudge "Incident Summary Sheets" catalog. 47 MB scanned PDF (markedly smaller than the two sister files — implying incidents 173-233 in the catalog are individually shorter / less…

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